Abstract
To solve the problem of ergonomic evaluation of suit production system, a hybrid method of IAHP and gray entropy theory is proposed. Firstly, literature reviews for ergonomics evaluation tools and techniques are introduced. Furthermore, ergonomic evaluation index system of suit operation is established according to production practice. Besides, a comprehensive evaluation models process of gray entropy and IAHP is introduced. Finally, a detailed evaluation process of suit sewing, ironing and clipping operation is introduced by an example, and the results show that the evaluation method of the paper is helpful to verify the feasibility and effectiveness of the operation system improvement demonstration.
Highlights
It has been estimated that more than a quarter of all injuries related to industrial work are directly associated with Manual Materials Handling (MMH) activities [1]
4 Conclusions and future work Most processes of suit production line depend on manual handling, and it is regarded as a major cause of injury and an import contributor to the etiology of low back pain (LBP) in particular for workers
The total ergonomic evaluation index system for suit production operation is constructed from human, machines, tools, workshop layout, operation method and environment
Summary
It has been estimated that more than a quarter of all injuries related to industrial work are directly associated with Manual Materials Handling (MMH) activities [1]. Suit production is a kind of typical industry of intensive labor, complicate procedure, more variety and minor batch. There are observation method, experimental method and computer simulation method in ergonomics study. The observation method mainly analyzes ergonomics problem by means of questionnaire and video tracking in statistics, and its main disadvantages are long period, difficult to quantify and poor adaptability. The experimental method is mainly used surface electromyography (sEMG) to test and evaluate the labor load by applying electrode slices or wearable devices to the lumbar spine of the back. The method can accurately obtain the force or torque of human muscles and bones, its procedure is tedious, which causes discomfort of worker
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